What is (3)^2-2(3)-8 ?

The solution to (3)^2-2(3)-8 is -5

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(3)^2-2(3)-8

(3)^{2} - 2 (3) - 8

- 5

Solution steps

(3)^{2} - 2 (3) - 8

Follow the PEMDAS order of operations

Calculate exponents

(3)^{2} : 9

(3)^{2}

(3)^{2} = 9

= 9

= 9 - 2 (3) - 8

Multiply and divide (left to right)

2 (3) : 6

2 (3)

Apply rule:

(a) = a

(3) = 3

= 2 \cdot 3

Multiply the numbers:

2 \cdot 3 = 6

= 6

= 9 - 6 - 8

Add and subtract (left to right)

9 - 6 - 8 : - 5

9 - 6 - 8

9 - 6 = 3

= 3 - 8

3 - 8 = - 5

= - 5

= - 5

(3)^{2} - 2 (3) + 1

3^{6} + 3^{2}

4 - 20 + 100 - 500 + 2500

3 8^{2} - 1 7^{2} \div 4 7^{2} - 361

28 + 7 \times (- 5)